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General

  • Target

    88844a7569de556d31dfdd8cd8f9ec7cc2e8547148c24bcf841e728d61fb9ef1.exe

  • Size

    719KB

  • Sample

    240229-f9rw9sga62

  • MD5

    3e5c905416ba4f0c85a9156eb29bc32e

  • SHA1

    596be8b0ba91e4c23615d690c859c4e42d00d191

  • SHA256

    88844a7569de556d31dfdd8cd8f9ec7cc2e8547148c24bcf841e728d61fb9ef1

  • SHA512

    71039e0dc686ff9e57f7a21d32c531c320663fa304a6d0a3d23b5f37013167b495d9f97567c22920efb9eb5ed836e3fa3f60671002eb9d090508190894d7921c

  • SSDEEP

    12288:zkCL9bW9ezVAS11I0FaJ/TOp6ZDJREnlKourz8x+WiXKr9bSUhwUPcng83YZpkR:z5L9iy3OJ/3REYouH8xZ9IUhwUPam0

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    zqamcx.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Methodman991

Targets

    • Target

      88844a7569de556d31dfdd8cd8f9ec7cc2e8547148c24bcf841e728d61fb9ef1.exe

    • Size

      719KB

    • MD5

      3e5c905416ba4f0c85a9156eb29bc32e

    • SHA1

      596be8b0ba91e4c23615d690c859c4e42d00d191

    • SHA256

      88844a7569de556d31dfdd8cd8f9ec7cc2e8547148c24bcf841e728d61fb9ef1

    • SHA512

      71039e0dc686ff9e57f7a21d32c531c320663fa304a6d0a3d23b5f37013167b495d9f97567c22920efb9eb5ed836e3fa3f60671002eb9d090508190894d7921c

    • SSDEEP

      12288:zkCL9bW9ezVAS11I0FaJ/TOp6ZDJREnlKourz8x+WiXKr9bSUhwUPcng83YZpkR:z5L9iy3OJ/3REYouH8xZ9IUhwUPam0

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks